(1) One Replacement Horn Flare For Peavey CH-941 19"x10" ABS 1 3/8" For Screw-On Driver ByZXPC Size Front: 18.875"(479.29mm) x 10.65"(270.51mm) Mounting Size Hole: 18" x 9" Front To Back: 11"(279.4mm) Horn: Screw On 1 3/8"